Unit 1 Learning about language 语法 表语从句（ppt课件）-2022新人教版（2019）《高中英语》选择性必修第二册.pptx

1、1.Understanding science and pushing the boundaries of science is what makes me immensely satisfied.Bill Gates2.The next major explosion is going to be when genetics and computers come together.Alvin Toffler3.The doctor has been taught to be interested not in health but in disease.What the public is

2、taught is that health is the cure for disease.Ashley Montagu4.Research is what Im doing when I dont know what Im doing.Wernher von Braun Find out predicative clauses in each sentence.在复合句中作表语的从句叫做表语从句。位于主句的系动词之后，对主语进行解释、说明，使主语的内容具体化。The usage of relatives连接词的用法Observation（观察）that The boy trouble is

3、_ he has many enemies.Observation（观察）whether The question is _ the brave boy could defeat his enemies.Conclusion 推论一、由连接词that,whether引导的表语从句从属连词that的用法:无意义不充当成分不可省略。而whether有词义,意为“是否”。这时主句的主语常常是些抽象名词,如question(问题),trouble(麻烦),problem(问题),result(结果),chance(可能性),suggestion(建议),idea(想法),reason(理由)等。表语从

4、句对主句主语进行说明、解释,使主语的内容具体化。The reason for his absence is that he hasnt been informed.他缺席的原因是他没接到通知。The point is whether we should lend him the money.关键在于我们是否应该借钱给他。Observation（观察）what The movie is _ they want to see most .Observation（观察）which There are dozens of books about Harry Potter in library.Howe

5、ver,what really makes him confused is _ is the most suitable one for his students.Observation（观察）whomThe girl is _ I like most in the movie .Conclusion 推论二、由连接代词引导的表语从句连接代词who,what,which,whom,whose等引导表语从句,在句中作主语、宾语等,代词不能省略。The question is which of us should go.问题是我们哪一个应该去。The problem was who could d

6、o the work.问题是谁能做这项工作。Thats what he is worrying about.那就是他在担心的事。Observation（观察）where The question is _ we could get so many movies to see.Observation（观察）how The cinema is very far,so the problem is _ we get there to see the new movie .Conclusion 推论三、由连接副词引导的表语从句连接副词when,where,why,how在从句中充当时间、地点、原因或方

7、式状语。Go and get your coat.Its where you left it.去把大衣拿来。就在你原来放的地方。I had neither a raincoat nor an umbrella.Thats why I got wet through.我既没伞也没雨衣,那是我淋湿的原因。That is how mice ruin many stores of grain every year.那就是老鼠每年毁坏大量粮食的方式。Observation（观察）as if It looked _ he had seen the movie quest.Conclusion 推论四、由连

8、词because,as if/as though等引导的表语从句It looked as if it was going to snow.看起来好像要下雪了。Thats because we never thought of it.那是因为我们从未想过此事。Usages of different subordinating conjunctions that can lead a predicative clause引导词引导词用法用法连词that在从句中不充当成分，无意义whether在从句中不充当成分，意为“是否”连接代词what(ever),which(ever),who(ever),w

9、hom(ever),whose在从句中充当主语，宾语，定语连接副词how,when,where,why在从句中充当状语其它连词because,as if,as though在从句中不充当成分，意为“因为，好像，似乎”Group competition123456Describe and GuessWhat is it?1.The problem is _ could find out a cure for the disease.What I have not decided is _ I am going to visit.who whether2.1）填适当的引导词看起来天要下雨了。It

10、looked just _ _ it was going to rain.2）判断下列句子是否正确1.The problem is whom can we get to replace her.2.My suggestion is that we should start early tomorrow.as if we can3.根据汉语意思补全下面句子。根据汉语意思补全下面句子。1）这就是她昨天请假的原因。这就是她昨天请假的原因。This is .2）这可能是因为他太年轻了。这可能是因为他太年轻了。It may be .why she had a day off yesterdaybecau

11、se he is too young4.1）Both my parents have given me some advice on how to save money.But the question is _ advice I should take.2）Understanding science and pushing the boundaries of science is _ makes me immensely satisfied.whosewhat5.完成句子1.这就是去年举行运动会的地方。This is last year.2.唯一的问题是这个过程会有多快。The only q

12、uestion is.where the sports meeting was heldhow fast the process will be6.翻译下列句子1.麻烦是我把他的地址丢了_2.问题是他们是否能帮我们。_.The trouble is that I have lost his address.The question is whether they will be able to help us.writing表语从句在写作中的应用1.Complete Exercise 2 in Assessing Your Progress on P10.Science is simply _

13、 you can do.And doing science makes you a scientist!So,what do scientists do?Actually,what matters is not only _ they observe in the world around them and what questions they ask,but also _ they use evidence or data to answer the questions.They identify useful data and take new measurements.Some of

14、the key issues that scientists face are _ calculations they do and _ they analyse their data to draw conclusions about the questions they ask.The final issue,which many believe to be the most important,is _ they need to communicate their results.This is _ they want everyone to benefit from their work!It seems _ science is all around us.You see,by doing science,scientists get a better understanding of the world around them and share that understanding with the whole world.whatwhathowwhathowthat/as ifwhybecauseT h a n k y o uPractice makes perfect!May you succeed in your studies!